The Tamiya 95010 - JR HG 19mm Aluminum Ball Race Roller brings reliable build quality to Mini 4WD setups, using high-grade aluminum for long service life and consistent performance. Integrated ball bearings let the roller spin freely, cutting rolling resistance and helping maintain stability through fast straights and tight turns.
At 19mm diameter these rollers suit a wide range of Mini 4WD chassis and mounting configurations, making them a versatile choice for hobbyists tuning handling and balance. The precision manufacturing improves cornering predictability and overall handling, useful for racers seeking repeatable lap times.
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